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Production method of veneer shaving board

A technology for board production and shavings, which is used in wood processing appliances, joining of wooden veneers, and addition of water repellents, etc. It can solve the problems of high formaldehyde emission from veneer particleboard, reducing formaldehyde content of veneer particleboard, and health hazards. , to achieve the effect of high affinity, reducing formaldehyde emission and good film formation

Active Publication Date: 2020-07-14
广西祥盛家居材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the particleboard impregnation process mainly uses melamine formaldehyde resin solution, the formaldehyde emission of the decorative particleboard is high, which is harmful to people's health
In order to reduce the formaldehyde content, the melamine formaldehyde impregnated resin is usually used to modify or optimize the impregnation process. However, there are few studies to reduce the formaldehyde content of the decorative particleboard by improving the impregnated film paper.

Method used

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  • Production method of veneer shaving board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of facing particle board production method of the present embodiment, comprises the following steps:

[0021] (1) Printing: After the decorative base paper is treated with a sizing agent, the sizing amount of the sizing agent is 1g / m 2 , adopt the gravure printing mode to print, obtain the decorative base paper that is printed with three-dimensional pattern pattern, control pattern pattern thickness is 0.6mm; The preparation method of described sizing agent is: a: cornstarch and water are mixed by mass ratio 1:4 , adding a concentration of 10% sodium hydroxide solution to adjust the pH value to 8-9, adding an oxidizing agent sodium hypochlorite, the amount of an oxidizing agent is 3% of the weight of cornstarch, reacting at a temperature of 35° C. for 2 hours, neutralizing with a concentration of 10% hydrochloric acid solution at the end of the reaction, At the same time, potassium iodide is used to detect the residual amount of sodium hypochlorite. If the residu...

Embodiment 2

[0027] A kind of facing particle board production method of the present embodiment, comprises the following steps:

[0028] (1) Printing: After the decorative base paper is treated with a sizing agent, the sizing amount of the sizing agent is 2g / m 2, adopt the gravure printing mode to print, obtain the decorative base paper that is printed with three-dimensional pattern pattern, control pattern pattern thickness is 0.6mm; The preparation method of described sizing agent is: a: cornstarch and water are mixed by mass ratio 1:4 , adding a concentration of 10% sodium hydroxide solution to adjust the pH value to 8-9, adding an oxidizing agent sodium hypochlorite, the amount of an oxidizing agent is 3% of the weight of cornstarch, reacting at a temperature of 40° C. for 2 hours, neutralizing with a concentration of 10% hydrochloric acid solution at the end of the reaction, At the same time, potassium iodide is used to detect the residual amount of sodium hypochlorite. If the residua...

Embodiment 3

[0034] A kind of facing particle board production method of the present embodiment, comprises the following steps:

[0035] (1) Printing: After the decorative base paper is treated with a sizing agent, the sizing amount of the sizing agent is 1g / m 2 , adopt the gravure printing mode to print, obtain the decorative base paper that is printed with three-dimensional pattern pattern, control the pattern pattern thickness to be 0.8mm; The preparation method of described sizing agent is: a: cornstarch and water are mixed by mass ratio 1:4 Add 10% sodium hydroxide solution to adjust the pH value to 8-9, add oxidizing agent sodium hypochlorite, the amount of oxidizing agent is 3% of the weight of cornstarch, react at a temperature of 40° C. for 2 hours, and neutralize with a concentration of 10% hydrochloric acid solution at the end of the reaction. At the same time, potassium iodide is used to detect the residual amount of sodium hypochlorite. If the residual sodium hypochlorite is d...

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Abstract

The invention discloses a production method of a veneer shaving board, and relates to the technical field of artificial boards. The method comprises the steps of printing, dipping, assembling and hotpressing. According to the production method of the veneer shaving board, oxidized cationic starch and a SAE compound sizing agent are adopted to carry out surface sizing treatment on decorative basepaper, the oxidized cationic starch and the SAE act together, a layer of compact glue film is formed on the surface of the decorative base paper, the air permeability and the void ratio of the decorative base paper are reduced, adsorption of the decorative base paper to an impregnating resin in the impregnating process is reduced, permeation of an an impregnating adhesive solution into the decorative base paper is reduced, the formaldehyde release amount of the impregnating adhesive film paper is reduced, and therefore the formaldehyde release amount of the veneer shaving board in the later period is further reduced.

Description

【Technical field】 [0001] The invention relates to the technical field of wood-based panels, in particular to a method for producing decorative particle boards. 【Background technique】 [0002] Particleboard is a wood-based panel made of wood or other lignocellulosic materials, which is glued together under heat and pressure after applying an adhesive. It is mainly used in furniture, flooring, decoration and other fields. In order to obtain the decorative effect of the pattern, in the production process, the three-dimensional pattern is usually printed on the decorative base paper and then impregnated to obtain the impregnated film paper. The surface of the material presents a three-dimensional pattern. Since the particleboard impregnation process mainly uses melamine-formaldehyde resin solution, the formaldehyde emission of the decorative particleboard is relatively high, which is harmful to people's health. In order to reduce the formaldehyde content, the melamine formalde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/08D21H17/29D21H17/37D21H17/51D21H19/10D21H19/20D21H21/16C08G12/40B41M1/10
CPCB27D1/08B41M1/10C08G12/40D21H17/29D21H17/37D21H17/51D21H19/10D21H19/20D21H21/16
Inventor 廖兵余陈文涛黄正规
Owner 广西祥盛家居材料科技股份有限公司
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